The annual holiday known as Earth Day — the day we come together to support the earth — actually has its roots in California. It began more than 40 years ago in reaction to a massive oil spill off the coast of California near Santa Barbara. More than three million gallons of oil killed over 10,000 birds, dolphins and other sea creatures.

As a result in 1969 at a UNESCO Conference in San Francisco, activist John McConnell proposed a day to honor the Earth and promote environmental regulation and education known as Earth Day.

Earth Day has come a long way since its founding in 1970 uniting communities around the environment in more than 193 countries.

We’ve compiled a toolkit of what you need to know for Earth Day 2018 including events, activities, and even recipes.

Gangs were likely involved in the string of arson attacks, police said, and they come amid mounting concerns in Sweden about gang-related violence. More than 40 people were shot and killed in the Nordic country last year, and the prime minister said in January that he was not ruling out a military response to gang activity.

A rooftop camera recorded the silver Ford Fiesta driving past Parliament and suddenly veering sharply to the left, striking cyclists waiting at a set of lights, then crossing the road and crashing into a barrier outside Parliament. Armed police surrounded the car within seconds, pulling a man from the vehicle. Police said the driver was alone and no weapons were...